Grok Build 0.1 vs GPT 5.1 Codex Max
xAI's agentic build model for autonomous software engineering.
Extended-context coding model for large codebase operations.
No captured outputs for these models yet.
Frequently Asked Questions: Grok Build 0.1 vs GPT 5.1 Codex Max▼
Which is better, Grok Build 0.1 or GPT 5.1 Codex Max?
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Both Grok Build 0.1 and GPT 5.1 Codex Max are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Which is cheaper, Grok Build 0.1 or GPT 5.1 Codex Max?
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Grok Build 0.1 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. GPT 5.1 Codex Max: $1.25 input / $10.00 output.
Which has a larger context window, Grok Build 0.1 or GPT 5.1 Codex Max?
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GPT 5.1 Codex Max has a larger context window: Grok Build 0.1 supports 256K tokens vs GPT 5.1 Codex Max at 400K tokens.
Do both Grok Build 0.1 and GPT 5.1 Codex Max support vision?
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Yes, both Grok Build 0.1 and GPT 5.1 Codex Max support vision/image input.
What are the key differences between Grok Build 0.1 and GPT 5.1 Codex Max?
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Grok Build 0.1 and GPT 5.1 Codex Max have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok Build 0.1 and GPT 5.1 Codex Max for free on idapt.app to see which performs better for your specific needs.